Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a conferência anterior da Fountain City com um tamanho superior a 287?
 ###Tabelas: CREATE TABLE ncrna_gene_prediction_software (ncrna_gene_prediction_software_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Number of sequences Number of sequences: . VARCHAR, Alignment Alignment: predicts an alignment , . VARCHAR, Structure Structure: predicts structure , . VARCHAR, Link VARCHAR) CREATE TABLE x (x_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Latitude INT, Longitude INT, Diameter (km) INT, Named after VARCHAR) CREATE TABLE star_parivaar_awards (star_parivaar_awards_id AUTO_INCREMENT PRIMARY KEY, Year INT, Category VARCHAR, Character VARCHAR, For The Show VARCHAR, Result VARCHAR) CREATE TABLE membership (membership_id AUTO_INCREMENT PRIMARY KEY, School VARCHAR, Location VARCHAR, Mascot VARCHAR, Size INT, IHSAA Class VARCHAR, # / County VARCHAR, Year Joined INT, Previous Conference VARCHAR) CREATE TABLE production_history (production_history_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, 2005 Capacity VARCHAR, 2006 Capacity VARCHAR, 2007 Capacity VARCHAR, 2008 Capacity VARCHAR, 2009 Capacity VARCHAR, 2010 Capacity VARCHAR, 2011 Capacity VARCHAR, 2012 Capacity VARCHAR)  
SELECT Previous Conference FROM membership WHERE Size > 287 AND Location = fountain city